# phpman > perldoc > Test2::EventFacet::Hub

## NAME
    [Test2::EventFacet::Hub](https://www.chedong.com/phpMan.php/perldoc/Test2%3A%3AEventFacet%3A%3AHub/markdown) - Facet for the hubs an event passes through.

## DESCRIPTION
    These are a record of the hubs an event passes through. Most recent hub is the first one in the
    list.

## FACET FIELDS
    $string = $trace->{details}
    $string = $trace->details()
        The hub class or subclass

    $int = $trace->{pid}
    $int = $trace->pid()
        PID of the hub this event was sent to.

    $int = $trace->{tid}
    $int = $trace->tid()
        The thread ID of the hub the event was sent to.

    $hid = $trace->{hid}
    $hid = $trace->hid()
        The ID of the hub that the event was send to.

    $huuid = $trace->{huuid}
    $huuid = $trace->huuid()
        The UUID of the hub that the event was sent to.

    $int = $trace->{nested}
    $int = $trace->nested()
        How deeply nested the hub was.

    $bool = $trace->{buffered}
    $bool = $trace->buffered()
        True if the event was buffered and not sent to the formatter independent of a parent (This
        should never be set when nested is 0 or "undef").

## SOURCE
    The source code repository for Test2 can be found at <http://github.com/Test-More/test-more/>.

## MAINTAINERS
    Chad Granum <<exodist@cpan.org>>

## AUTHORS
    Chad Granum <<exodist@cpan.org>>

## COPYRIGHT
    Copyright 2020 Chad Granum <<exodist@cpan.org>>.

    This program is free software; you can redistribute it and/or modify it under the same terms as
    Perl itself.

    See <http://dev.perl.org/licenses/>